Home / 252,119.68-347,920.51-137,399.24

Finding the Fourth Proportional to 252,119.68, 347,920.51 and 137,399.24

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Solution

The fourth proportional to 252,119.68, 347,920.51 and 137,399.24 is: 189,608.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,119.68 : 347,920.51 = 137,399.24 : x
  2. Step 2: Convert to fraction form
    252,119.68/347,920.51 = 137,399.24/x
  3. Step 3: Cross multiply
    252,119.68x = 347,920.51 × 137,399.24
  4. Step 4: Simplify right side
    252,119.68x = 47,804,012,967.42
  5. Step 5: Solve for x
    x = 47,804,012,967.42/252,119.68
  6. Step 6: Final answer
    x = 189,608.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.